/**
 * Copyright (C) 2009 Matteo Merli <mm@merlimat.org>
 * 
 * $Id: ModuleCache.java 14 2009-01-04 18:01:41Z matteo.merli $
 * $URL: http://pxl-lang.googlecode.com/svn/trunk/src/main/java/pxl/ModuleCache.java $
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *         http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package pxl;

import java.util.Map;

import pxl.types.PxlModule;

import com.google.common.collect.Maps;

public class ModuleCache
{
    private static ModuleCache instance = new ModuleCache();
    
    public static ModuleCache instance() 
    {
        return instance;
    }
    
    private final Map<String, PxlModule> modules;
    
    private ModuleCache()
    {
        modules = Maps.newConcurrentHashMap();
    }
    
    public PxlModule get( String name )
    {
        return modules.get( name );
    }
    
    public void put( PxlModule module )
    {
        modules.put( module.name(), module );
    }
}
